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| author | Stanislav Kinsbursky <skinsbursky@parallels.com> | 2012-07-25 16:56:43 +0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2012-07-27 16:48:44 -0400 |
| commit | 66547b0251b0b62dcb637631f566410a0e1e47a8 (patch) | |
| tree | 07d3ebc8a198e04323a9efbae95aa00e4869b4a5 | |
| parent | e2edaa98cb2527c0f1c2d825ddb45a8b2d026669 (diff) | |
| download | op-kernel-dev-66547b0251b0b62dcb637631f566410a0e1e47a8.zip op-kernel-dev-66547b0251b0b62dcb637631f566410a0e1e47a8.tar.gz | |
LockD: manage grace period per network namespace
Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
| -rw-r--r-- | fs/lockd/netns.h | 2 | ||||
| -rw-r--r-- | fs/lockd/svc.c | 17 |
2 files changed, 13 insertions, 6 deletions
diff --git a/fs/lockd/netns.h b/fs/lockd/netns.h index 44c8f0b..94653ae 100644 --- a/fs/lockd/netns.h +++ b/fs/lockd/netns.h @@ -7,6 +7,8 @@ struct lockd_net { unsigned int nlmsvc_users; unsigned long next_gc; unsigned long nrhosts; + + struct delayed_work grace_period_end; }; extern int lockd_net_id; diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index 80938fd..70c4177 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -95,21 +95,22 @@ static void grace_ender(struct work_struct *not_used) locks_end_grace(&lockd_manager); } -static DECLARE_DELAYED_WORK(grace_period_end, grace_ender); - static void set_grace_period(void) { unsigned long grace_period = get_lockd_grace_period(); + struct lockd_net *ln = net_generic(&init_net, lockd_net_id); locks_start_grace(&lockd_manager); - cancel_delayed_work_sync(&grace_period_end); - schedule_delayed_work(&grace_period_end, grace_period); + cancel_delayed_work_sync(&ln->grace_period_end); + schedule_delayed_work(&ln->grace_period_end, grace_period); } static void restart_grace(void) { if (nlmsvc_ops) { - cancel_delayed_work_sync(&grace_period_end); + struct lockd_net *ln = net_generic(&init_net, lockd_net_id); + + cancel_delayed_work_sync(&ln->grace_period_end); locks_end_grace(&lockd_manager); nlmsvc_invalidate_all(); set_grace_period(); @@ -124,6 +125,7 @@ lockd(void *vrqstp) { int err = 0, preverr = 0; struct svc_rqst *rqstp = vrqstp; + struct lockd_net *ln = net_generic(&init_net, lockd_net_id); /* try_to_freeze() is called from svc_recv() */ set_freezable(); @@ -184,7 +186,7 @@ lockd(void *vrqstp) svc_process(rqstp); } flush_signals(current); - cancel_delayed_work_sync(&grace_period_end); + cancel_delayed_work_sync(&ln->grace_period_end); locks_end_grace(&lockd_manager); if (nlmsvc_ops) nlmsvc_invalidate_all(); @@ -589,6 +591,9 @@ module_param(nlm_max_connections, uint, 0644); static int lockd_init_net(struct net *net) { + struct lockd_net *ln = net_generic(net, lockd_net_id); + + INIT_DELAYED_WORK(&ln->grace_period_end, grace_ender); return 0; } |
